... no high than 100%. GF4-72 type FRP centrifugal fan is in a high efficiency, high performance and low energy consumption of ... , its appearance is more in line with the gas flow performance. 2) This series of fan can transport corrosive gas contains both ... application conditions, to use the explosion-proof isolation type motor. Can convey gases like methane, ethane, propane, styrene, toluene, xylene, ...